diff --git a/DesktopSharing/MainWindow.cpp b/DesktopSharing/MainWindow.cpp
index fc93f61..9e0cb19 100644
--- a/DesktopSharing/MainWindow.cpp
+++ b/DesktopSharing/MainWindow.cpp
@@ -152,6 +152,7 @@ bool MainWindow::Init()
 	if (!ret) {
 		delete overlay_;
 		overlay_ = nullptr;
+		return false;
 	}
 
 	overlay_->SetRect(0, 0 + video_height_, video_width_, kMinOverlayHeight);
@@ -323,4 +324,4 @@ void MainWindow::StopLive(int event_type)
 	else if (event_type == EVENT_TYPE_RTMP_PUSHER) {
 		ScreenLive::Instance().StopLive(SCREEN_LIVE_RTMP_PUSHER);
 	}
-}
\ No newline at end of file
+}